英语词汇principal mining level怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	principal mining level
释义	principal mining level
随便看	Cydonia lagenaria Lois. Cydonia Mill. cydonian Cydonia oblonga Cydonia Oblonga Mill. cydonia oblongas Cydonia Cydonia sinensis Cydonia vulgaris cydonic acid cydonin cydonium cydophosphamide cydorge gene Cydril CYDS Cydsa CyDTA CYE CYEATIDAE CYEG Cyelamic Acid cyelazenin cyelic psychosis Cyelomanctol

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。